N-AZOLYL ACETANILIDES THE MANUFACTURE THEREOF, AND THEIR USE AS HERBICIDES

摘要

The invention relates to N-azolylacetanilides of the formula I, where R denotes hydrogen or C1-C4-alkyl; R1 denotes hydrogen, C1-C4-alkyl or halogen; R2 denotes hydrogen or methyl, R3 denotes unsubstituted or C1-C4-alkoxy-substituted C1-C4-alkyl, C3-C4-alkynyl or A; and A denotes a N-azolylmethyl selected in the group constituted by the N-pyrazolylmethyl, the N-imidazolyl-methyl and the N-thiazolylmethyl, which is unsubstituted or substituted in the heterocyclic ring by from one to three radicals selected from the group consisting of methyl, methoxy and chlorine, processes for their manufacture, and their use as herbicides.